Computer Software for Building and Design

Ellen DR posts this in our Discussion Forum: "Just came to your Web site after Googling house building and design programs. Wow, there was a great list of computer programs right there. However, I'm not sure which one to pick..."

Ellen is looking for a program that's easy to learn, but powerful enough to plan an entire house building project, including interior design and landscaping. Suggestions? Tell us your experiences with home design software...